BTC 9SEP26 Options Chain

BTC options expiring 9SEP26, 2 days out, with the forward at $79,494. Open interest is $55M in calls and $29M in puts, put/call 0.53, and max pain is $79,500. At-the-money implied volatility is 30.9%. Where a strike is listed on both venues the cheaper ask and richer bid are visible side by side; the arb scanner flags any gap that exceeds fees. Strikes shown are within 60% of the forward. All BTC expiries.

Chain

Derive bid / ask (IV) · Deribit bid / ask (IV) · open interest in contracts, both venues combined.

Call OI	Derive call	Deribit call	Strike	Deribit put	Derive put	Put OI
0	$13129 / $15911 53%	–	65000	–	– / $11.00 53%	0
0	$8580 / $10465 53%	–	70000	–	– / $16.00 53%	0
0	–	$8240 / $8780 64%	71000	– / $20.00 64%	–	0
0	$6764 / $8289 53%	$7140 / $7780 58%	72000	– / $20.00 58%	– / $21.00 53%	0
0	–	$6140 / $6800 53%	73000	$5.00 / $25.00 53%	–	0
0	$5395 / $5591 49%	$5240 / $5800 47%	74000	$5.00 / $30.00 47%	$13.00 / $27.00 49%	0
0	$4402 / $4606 45%	$4240 / $4800 42%	75000	$15.00 / $40.00 42%	$14.00 / $36.00 45%	1
0	$3414 / $3622 41%	$3180 / $3780 38%	76000	$30.00 / $55.00 38%	$26.00 / $50.00 41%	0
0	$2436 / $2682 36%	$2320 / $2840 34%	77000	$80.00 / $95.00 34%	$70.00 / $98.00 36%	1
0	–	$1800 / $2360 33%	77500	$110 / $140 33%	–	1
2	$1552 / $1810 32%	$1380 / $1920 32%	78000	$175 / $215 32%	$180 / $209 32%	0
0	–	$1040 / $1520 31%	78500	$280 / $330 31%	–	0
2	$900 / $1040 30%	$920 / $1040 31%	79000	$445 / $500 31%	$440 / $500 30%	0
1	–	$660 / $735 31%	79500	$665 / $725 31%	–	0
0	$450 / $520 31%	$450 / $515 31%	80000	$940 / $1040 31%	$900 / $1040 31%	2
1	–	$300 / $355 32%	80500	$1120 / $1540 32%	–	0
1	$200 / $226 33%	$190 / $200 33%	81000	$1500 / $1940 33%	$1579 / $1839 33%	2
0	–	$120 / $160 34%	81500	$1920 / $2480 34%	–	0
0	$70.00 / $100.00 36%	$75.00 / $105 34%	82000	$2360 / $2940 34%	$2467 / $2713 36%	2
0	–	$60.00 / $75.00 36%	82500	$2820 / $3320 36%	–	0
0	$28.00 / $44.00 38%	$30.00 / $60.00 37%	83000	$3300 / $3900 37%	$3387 / $3684 38%	0
0	$13.00 / $27.00 41%	$10.00 / $35.00 40%	84000	$4260 / $4800 40%	$4389 / $4651 41%	0
0	$6.00 / $19.00 43%	– / $25.00 43%	85000	$5240 / $5800 43%	$5397 / $5637 43%	0
0	– / – 46%	– / $20.00 48%	86000	$6240 / $6880 48%	$6402 / $6629 46%	0
0	–	– / $15.00 48%	87000	$7240 / $7860 48%	–	0
0	– / – 47%	– / $15.00 54%	88000	$8220 / $8860 54%	– / – 47%	0
0	–	– / $15.00 58%	89000	$9220 / $9780 58%	–	0
0	– / – 47%	–	90000	–	– / – 47%	0
0	– / – 47%	–	95000	–	– / – 47%	0
0	– / – 47%	–	100000	–	– / – 47%	0